Analysis
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max time kernel
136s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2022, 20:40
Static task
static1
Behavioral task
behavioral1
Sample
Ackerman & Baynes #INV038943 05.10.2022.xlsx
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Ackerman & Baynes #INV038943 05.10.2022.xlsx
Resource
win10v2004-20220812-en
General
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Target
Ackerman & Baynes #INV038943 05.10.2022.xlsx
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Size
532KB
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MD5
a8301925e40b0e4208742f73c4e99738
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SHA1
68f945c0a03d223060f0b643c37ab6285527b75f
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SHA256
f0b59396be0a16577f548b82557406627ec5017daf700e407bf7944ec9fb54e3
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SHA512
9a64b3604fc3cb5f988f047770637c66474edf5de9f898cf35156b401da949907951cdce23e6948325742348d22cf21793ebbbd8dfbf888ce1e96e758e59a8cd
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SSDEEP
12288:AR3swukpeEzYBLrv+O9LrUGqDSpyJaXAF4xTLSSoWMxxt+Hh5F:AR3puk3z8v/bUSpahF4xTLTMxxIHh5F
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4016 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 4016 EXCEL.EXE 4016 EXCEL.EXE 4016 EXCEL.EXE 4016 EXCEL.EXE 4016 EXCEL.EXE 4016 EXCEL.EXE 4016 EXCEL.EXE 4016 EXCEL.EXE 4016 EXCEL.EXE 4016 EXCEL.EXE 4016 EXCEL.EXE 4016 EXCEL.EXE 4016 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4016 wrote to memory of 2140 4016 EXCEL.EXE 88 PID 4016 wrote to memory of 2140 4016 EXCEL.EXE 88
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Ackerman & Baynes #INV038943 05.10.2022.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4016 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2140
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:1116